# 读取JSON格式数据
import json

filename = 'data/eq_data_1_day_m1.json'
with open(filename) as f:
    # json.load()将数据转化为Python能够处理的格式
    all_eq_data = json.load(f)

# 提取'features'相关联的数据
all_eq_dicts = all_eq_data['features']
print(len(all_eq_dicts))

mags, titles, lons, lats = [], [], [], []

for eq_dict in all_eq_dicts:
    # 提取震级
    mag = eq_dict['properties']['mag']
    title = eq_dict['properties']['title']
    # longitude 经度
    lon = eq_dict['geometry']['coordinates'][0]
    # latitude 纬度
    lat = eq_dict['geometry']['coordinates'][1]
    mags.append(mag)
    titles.append(title)
    lons.append(lon)
    lats.append(lat)

print(mags[:10])
print(titles[:2])
print(lons[:5])
print(lats[:5])
